journal

Sports Medicine

journal
https://read.qxmd.com/read/31960369/effects-of-ramadan-fasting-on-physical-performance-a-systematic-review-with-meta-analysis
#1
REVIEW
Abd-Elbasset Abaïdia, Wael Daab, Mohamed Amine Bouzid
BACKGROUND: It is common that several athletes will fast while training or competing during Ramadan. There is currently no consensus on if or how this might affect physical performance. OBJECTIVE: The aim was to conduct a systematic review combined with a meta-analysis to determine what are the effects of fasting during the month of Ramadan on physical performance. METHODS: Three electronic databases were searched: PubMed, ScienceDirect, and Web of Science between from the earliest available date to May 2019...
January 20, 2020: Sports Medicine
https://read.qxmd.com/read/31925768/intra-articular-injection-administration-in-uk-ex-professional-footballers-during-their-playing-careers-and-the-association-with-post-career-knee-osteoarthritis
#2
Gwen S Fernandes, Sanjay M Parekh, Jonathan P Moses, Colin W Fuller, Brigitte E Scammell, Mark E Batt, Weiya Zhang, Michael Doherty
BACKGROUND: The long-term risk from knee intra-articular (KIA) injections in professional athletes such as ex-footballers remains unknown. The use of KIA injections is controversial and remains anecdotally prolific as it is perceived as being safe/beneficial. The aim of this study was to determine the number, type and frequency KIA injections administered to retired professional footballers during their playing careers and the associations with post-career knee osteoarthritis (KOA). METHODS: This is a cross-sectional study involving a postal questionnaire (n = 1207) and subsequent knee radiographs in a random sample of questionnaire responders (n = 470)...
January 10, 2020: Sports Medicine
https://read.qxmd.com/read/31898217/tensor-fascia-latae-muscle-structure-and-activation-in-individuals-with-lower-limb-musculoskeletal-conditions-a-systematic-review-and-meta-analysis
#3
REVIEW
Manuela Besomi, Liam Maclachlan, Rebecca Mellor, Bill Vicenzino, Paul W Hodges
BACKGROUND: Dysfunction of the tensor fascia latae (TFL) muscle is often clinically implicated in many musculoskeletal disorders. OBJECTIVE: To systematically review the literature of the TFL muscle to determine whether there are differences in its structure and activation between individuals with and without lower limb musculoskeletal conditions. DATA SOURCES: A comprehensive search in MEDLINE, EMBASE, CINHAL, and LILACS was undertaken from year of inception to 9 July 2019...
January 2, 2020: Sports Medicine
https://read.qxmd.com/read/31898216/correction-to-the-effectiveness-of-two-methods-of-prescribing-load-on-maximal-strength-development-a-systematic-review
#4
Steve W Thompson, David Rogerson, Alan Ruddock, Andrew Barnes
While typesetting the entries of the Table 1 were incorrectly aligned. The correct Table 1 has been copied below.
January 2, 2020: Sports Medicine
https://read.qxmd.com/read/31873927/lifelong-endurance-exercise-as-a-countermeasure-against-age-related-formula-see-text-decline-physiological-overview-and-insights-from-masters-athletes
#5
REVIEW
Pedro L Valenzuela, Nicola A Maffiuletti, Michael J Joyner, Alejandro Lucia, Romuald Lepers
Maximum oxygen consumption ([Formula: see text]) is not only an indicator of endurance performance, but also a strong predictor of cardiovascular disease and mortality. This physiological parameter is known to decrease with aging. In turn, physical exercise might attenuate the rate of aging-related decline in [Formula: see text], which in light of the global population aging is of major clinical relevance, especially at advanced ages. In this narrative review, we summarize the evidence available from masters athletes about the role of lifelong endurance exercise on aging-related [Formula: see text] decline, with examples of the highest [Formula: see text] values reported in the scientific literature for athletes across different ages (e...
December 24, 2019: Sports Medicine
https://read.qxmd.com/read/31873926/effects-of-prior-cognitive-exertion-on-physical-performance-a-systematic-review-and-meta-analysis
#6
REVIEW
Denver M Y Brown, Jeffrey D Graham, Kira I Innes, Sheereen Harris, Ashley Flemington, Steven R Bray
BACKGROUND: An emerging body of the literature in the past two decades has generally shown that prior cognitive exertion is associated with a subsequent decline in physical performance. Two parallel, but overlapping, bodies of literature (i.e., ego depletion, mental fatigue) have examined this question. However, research to date has not merged these separate lines of inquiry to assess the overall magnitude of this effect. OBJECTIVE: The present work reports the results of a comprehensive systematic review and meta-analysis examining carryover effects of cognitive exertion on physical performance...
December 24, 2019: Sports Medicine
https://read.qxmd.com/read/31853870/comment-on-a-method-to-stop-analyzing-random-error-and-start-analyzing-differential-responders-to-exercise
#7
LETTER
Matthew S Tenan, Andrew D Vigotsky, Aaron R Caldwell
No abstract text is available yet for this article.
December 18, 2019: Sports Medicine
https://read.qxmd.com/read/31853869/authors-reply-to-tenan-et-al-a-method-to-stop-analyzing-random-error-and-start-analyzing-differential-responders-to-exercise
#8
LETTER
Scott J Dankel, Jeremy P Loenneke
No abstract text is available yet for this article.
December 18, 2019: Sports Medicine
https://read.qxmd.com/read/31845203/predicting-sport-related-mtbi-symptom-resolution-trajectory-using-initial-clinical-assessment-findings-a-retrospective-cohort-study
#9
Joshua P McGeown, Stephen Kara, Mark Fulcher, Hannah Crosswell, Robert Borotkanics, Patria A Hume, Kenneth L Quarrie, Alice Theadom
OBJECTIVES: To identify which aspects of initial clinical assessment for sport-related mild traumatic brain injury (SR-mTBI) predict whether an athlete achieves symptom resolution within 14 days of the injury. RESEARCH DESIGN: Retrospective cohort study using prospectively collected data. METHODS: Clinical assessment data were collected from 568 patients diagnosed with SR-mTBI at a single medical clinic between February 2017 and December 2018...
December 16, 2019: Sports Medicine
https://read.qxmd.com/read/31845202/the-case-for-retiring-flexibility-as-a-major-component-of-physical-fitness
#10
James L Nuzzo
Flexibility refers to the intrinsic properties of body tissues that determine maximal joint range of motion without causing injury. For many years, flexibility has been classified by the American College of Sports Medicine as a major component of physical fitness. The notion flexibility is important for fitness has also led to the idea static stretching should be prescribed to improve flexibility. The current paper proposes flexibility be retired as a major component of physical fitness, and consequently, stretching be de-emphasized as a standard component of exercise prescriptions for most populations...
December 16, 2019: Sports Medicine
https://read.qxmd.com/read/31828736/the-effectiveness-of-two-methods-of-prescribing-load-on-maximal-strength-development-a-systematic-review
#11
REVIEW
Steve W Thompson, David Rogerson, Alan Ruddock, Andrew Barnes
BACKGROUND: Optimal prescription of resistance exercise load (kg) is essential for the development of maximal strength. Two methods are commonly used in practice with no clear consensus on the most effective approach for the improvement of maximal strength. OBJECTIVE: The primary aim of this review was to compare the effectiveness of percentage 1RM (% 1RM) and repetition maximum targets (RM) as load prescription methods for the development of maximal strength. METHODS: Electronic database searches of MEDLINE, SPORTDiscus, Scopus, and CINAHL Complete were conducted in accordance with PRISMA guidelines...
December 11, 2019: Sports Medicine
https://read.qxmd.com/read/31823338/what-are-the-benefits-and-risks-associated-with-changing-foot-strike-pattern-during-running-a-systematic-review-and-meta-analysis-of-injury-running-economy-and-biomechanics
#12
REVIEW
Laura M Anderson, Daniel R Bonanno, Harvi F Hart, Christian J Barton
BACKGROUND: Running participation continues to increase. The ideal strike pattern during running is a controversial topic. Many coaches and therapists promote non-rearfoot strike (NRFS) running with a belief that it can treat and prevent injury, and improve running economy. OBJECTIVE: The aims of this review were to synthesise the evidence comparing NRFS with rearfoot strike (RFS) running patterns in relation to injury and running economy (primary aim), and biomechanics (secondary aim)...
December 10, 2019: Sports Medicine
https://read.qxmd.com/read/31820378/is-physical-activity-good-or-bad-for-the-female-pelvic-floor-a-narrative-review
#13
REVIEW
Kari Bø, Ingrid Elisabeth Nygaard
More women participate in sports than ever before and the proportion of women athletes at the Olympic Games is nearly 50%. The pelvic floor in women may be the only area of the body where the positive effect of physical activity has been questioned. The aim of this narrative review is to present two widely held opposing hypotheses on the effect of general exercise on the pelvic floor and to discuss the evidence for each. Hypothesis 1: by strengthening the pelvic floor muscles (PFM) and decreasing the levator hiatus, exercise decreases the risk of urinary incontinence, anal incontinence and pelvic organ prolapse, but negatively affects the ease and safety of childbirth...
December 9, 2019: Sports Medicine
https://read.qxmd.com/read/31820376/exogenous-ketone-supplementation-and-keto-adaptation-for-endurance-performance-disentangling-the-effects-of-two-distinct-metabolic-states
#14
David M Shaw, Fabrice Merien, Andrea Braakhuis, Ed Maunder, Deborah K Dulson
Ketone bodies (KB) provide an alternative energy source and uniquely modulate substrate metabolism during endurance exercise. Nutritional ketosis (blood KBs > 0.5 mM) can be achieved within minutes via exogenous ketone supplementation or days-to-weeks via conforming to a very low-carbohydrate, ketogenic diet (KD). In contrast to short-term (< 2 weeks) KD ingestion, chronic adherence (> 3 weeks) leads to a state of keto-adaptation. However, despite elevating blood KBs to similar concentrations, exogenous ketone supplementation and keto-adaptation are not similar metabolic states as they elicit diverse and distinct effects on substrate availability and metabolism during exercise; meaning that their influence on endurance exercise performance is different...
December 9, 2019: Sports Medicine
https://read.qxmd.com/read/31820375/reply-to-comment-on-the-effect-of-nordic-hamstring-exercise-intervention-volume-on-eccentric-strength-and-muscle-architecture-adaptations-a-systematic-review-and-meta-analyses
#15
LETTER
Matthew Cuthbert, Nicholas Ripley, John J McMahon, Martin Evans, G Gregory Haff, Paul Comfort
No abstract text is available yet for this article.
December 9, 2019: Sports Medicine
https://read.qxmd.com/read/31820374/the-effect-of-resistance-training-in-women-on-dynamic-strength-and-muscular-hypertrophy-a-systematic-review-with-meta-analysis
#16
REVIEW
Amanda D Hagstrom, Paul W Marshall, Mark Halaki, Daniel A Hackett
BACKGROUND: The effect of resistance training (RT) on adaptations in muscular strength and hypertrophy has never been examined in an exclusively female synthesis of the literature. OBJECTIVE: The objectives of this study were threefold: (1) to systematically review the literature on female adaptations to RT, characterising the effect in terms of muscular strength and hypertrophy; (2) to distinguish the individual effects of intervention duration, frequency, and intensity on these adaptations via sub-analysis; (3) to draw evidence-based conclusions regarding training expectations in female populations...
December 9, 2019: Sports Medicine
https://read.qxmd.com/read/31820373/overtraining-in-resistance-exercise-an-exploratory-systematic-review-and-methodological-appraisal-of-the-literature
#17
REVIEW
Clementine Grandou, Lee Wallace, Franco M Impellizzeri, Nicholas G Allen, Aaron J Coutts
BACKGROUND: The balance between training stress and recovery is important for inducing adaptations to improve athletic performance. However, continuously high training loads with insufficient recovery may cause fatigue to accumulate and result in overtraining. A comprehensive systematic review is required to collate overtraining literature and improve the current understanding of the mechanisms underlying functional overreaching (FOR), non-functional overreaching (NFOR) and the overtraining syndrome (OTS) in resistance training...
December 9, 2019: Sports Medicine
https://read.qxmd.com/read/31802395/is-motorized-treadmill-running-biomechanically-comparable-to-overground-running-a-systematic-review-and-meta-analysis-of-cross-over-studies
#18
REVIEW
Bas Van Hooren, Joel T Fuller, Jonathan D Buckley, Jayme R Miller, Kerry Sewell, Guillaume Rao, Christian Barton, Chris Bishop, Richard W Willy
BACKGROUND: Treadmills are often used in research, clinical practice, and training. Biomechanical investigations comparing treadmill and overground running report inconsistent findings. OBJECTIVE: This study aimed at comparing biomechanical outcomes between motorized treadmill and overground running. METHODS: Four databases were searched until June 2019. Crossover design studies comparing lower limb biomechanics during non-inclined, non-cushioned, quasi-constant-velocity motorized treadmill running with overground running in healthy humans (18-65 years) and written in English were included...
December 4, 2019: Sports Medicine
https://read.qxmd.com/read/31797219/the-minimum-effective-training-dose-required-to-increase-1rm-strength-in-resistance-trained-men-a-systematic-review-and-meta-analysis
#19
REVIEW
Patroklos Androulakis-Korakakis, James P Fisher, James Steele
BACKGROUND: Increases in muscular strength may increase sports performance, reduce injury risk, are associated with a plethora of health markers, as well as exerting positive psychological effects. Due to their efficiency and effectiveness in increasing total body muscular strength, multi-joint exercises like the powerlifts, i.e.: the squat (SQ), bench-press (BP) and deadlift (DL), are widely used by active individuals as well as athletes in the pursuit of increasing strength. To date, the concept of a minimum dose, i...
December 3, 2019: Sports Medicine
https://read.qxmd.com/read/31782066/does-acute-fatigue-negatively-affect-intrinsic-risk-factors-of-the-lower-extremity-injury-risk-profile-a-systematic-and-critical-review
#20
REVIEW
Jo Verschueren, Bruno Tassignon, Kevin De Pauw, Matthias Proost, Amber Teugels, Jeroen Van Cutsem, Bart Roelands, Evert Verhagen, Romain Meeusen
BACKGROUND: Acute fatigue is hypothesized to alter lower extremity injury risk profiles by affecting intrinsic risk factors (i.e. single leg postural control, hamstring strength). However, no systematic overview exists that merges the insights into prospective lower extremity injury risk profiling with the effect of acute fatigue on functional test performance. OBJECTIVE: The objective of this review is to identify the influence of acute fatigue on prospectively determined modifiable intrinsic risk factors for lower extremity injuries...
November 29, 2019: Sports Medicine
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